
10
Rockwell Automation Publication 1718-UM001A-EN-E - December 2019
Chapter 1
Product Specifications
Stainless steel enclosure
The stainless steel enclosure ensures a high level of corrosion resistance for
onshore and offshore plants.
Figure 3 - Field unit with stainless steel enclosure without modules
Enclosure Material Availability
Modular plastic and stainless steel enclosures are available in various sizes and
designs, and custom solutions are also available. Depending on the version, the
device units comprise base, redundancy, and expansion backplanes installed in
the corresponding surrounding enclosures.
Figure 4 - Available field units
Backplanes
Function
The modules are plugged into the backplane, which in turn is installed in a
plastic or stainless steel enclosure. The backplane supplies the modules with
energy and provides internal wiring.
Any I/O module can be inserted into any I/O slot, enabling a mixture of I/O
functions in one field unit. Power supplies, adapters/gateways, and bus
Catalog Number
Type
Max. number of slots
Material
Field unit
Redundant field unit
Stainless steel
Polyester
FB9210-PF0-G
FB9210-S60-G
FB9220-PF0-G
FB9220-S60-G
FB9240-PF0-G
FB9240-S70-G